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中文摘要：
在增压共轨发动机上采用柴油／甲醇组合燃烧（DMCC）方式进行燃烧特性分析和排放特性分析．对DMCC模式下放热率、缸内压力变化和p-V图的分析表明，DMCC模式具有吸热汽化、推迟着火时间、提高定容燃烧度、降低排气温度等优点，从而大幅度提高了燃料的燃烧效率．对M100（纯甲醇）和M90（含水10％的甲醇）的排放量进行检测，表明M90比M100更能降低甲醛、NOx、HC和CO排放．
英文摘要：
The combustion and emission characteristics of a turbocharged common-rail diesel engine have been experimentally investigated using diesel/methanol compound combustion mode （DMCC）. The analysis of heat release rate, pressure change in cylinder and p- V diagram shows that DMCC mode has the advantages of endothermic vaporization, delaying ignition time, increasing constant volume combustion and decreasing exhaust temperature, thus greatly improving fuel combustion efficiency. The emission test shows that M90 （contain 10% water） is more effective than M100 （pure methanol） in reducing formaldehyde, NOx, HC and CO emissions.
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